Patrick C Knight

US Patent:

6749020, Jun 15, 2004

Filed:

Nov 5, 2001

Appl. No.:

09/985569

Inventors:

Patrick C. Knight - Raceland LA

Assignee:

Benoit Machine Inc. - Houma LA

International Classification:

E21B 1700

US Classification:

1662426, 166235, 285334

Abstract:

The well screen two step coupled connector and method includes providing a well screen with a then walled tubular pin having a constant diameter channel and three pin sections of successively increasing diameter. The end of the pin has an annular surface and an angled recess is provided between the intermediate and innermost pin sections, while non-inclined external threads are formed on the end and intermediate pin sections. A tubular open ended coupling is provided having a passage divided into two coupling sections by an inwardly projecting divider. Each coupling section is configured to receive the end and intermediate pin sections and includes non-inclined threads to mate with the pin section threads. The coupling includes an angled wall adjacent the divider to provide a seal with the annular angled surface at the end of the pin and an angled projection which fits within and forms a seal with the angled recess in the pin.

US Patent:

20060006640, Jan 12, 2006

Filed:

Jul 12, 2004

Appl. No.:

10/888003

Inventors:

Patrick Knight - Raceland LA, US

Assignee:

Benoit Machine L.L.C. - Houma LA

International Classification:

F16L 35/00

US Classification:

285081000

Abstract:

A pipe coupling assembly and method for protecting control lines is disclosed wherein a shoulder modification is made on the pipes to prevent breakage of a control line protector clamp. Particularly, the present invention relates to a coupling assembly for protecting a control line comprising a first pipe including a first stop surface, a second pipe longitudinally connected to the first pipe, a clamping device connected to the first pipe and the second pipe, the clamping device including a first clamping end connected to the first pipe and a control line receiving portion, and a control line extending along the length of the first pipe and the second pipe, the control line being positioned within the control line receiving portion of the clamping device. Additionally, the first stop surface is positioned at a predetermined angle relative to the first pipe to prevent breakage of the clamping device.